Finding the Fourth Proportional to 614,011.28, 916,699.65 and 469,158.99
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Solution
The fourth proportional to 614,011.28, 916,699.65 and 469,158.99 is: 700,439.71
Step by Step Solution
- Step 1: Write the proportion equation
614,011.28 : 916,699.65 = 469,158.99 : x - Step 2: Convert to fraction form
614,011.28/916,699.65 = 469,158.99/x - Step 3: Cross multiply
614,011.28x = 916,699.65 × 469,158.99 - Step 4: Simplify right side
614,011.28x = 430,077,881,927.35 - Step 5: Solve for x
x = 430,077,881,927.35/614,011.28 - Step 6: Final answer
x = 700,439.71
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.